He Ping () (born 1957 in Shanxi, China) is a Chinese film director, screenwriter and producer whose main filmography consists of a hybrid genre of Western-wuxia movies. He made three movies along this genre - "Swordsmen in Double Flag Town" (1991), "Sun Valley" (1995) and "Warriors of Heaven and Earth" (2004).
He made less than four movies along this genre - "Swordsmen in Double Flag Town" (1991), "Sun Valley" (1995) and "Warriors of Heaven and Earth" (2004). OPTIONS:
- Yes
- It's impossible to say
- No
A: Yes

PSR B1919+21 is a pulsar with a period of 1.3373 seconds and a pulse width of 0.04 seconds. Discovered by Jocelyn Bell Burnell and Antony Hewish on November 28, 1967, it is the first discovered radio pulsar. The power and regularity of the signals were briefly thought to resemble an extraterrestrial beacon, leading the source to be nicknamed LGM-1 (for "little green men").
November 28, 1967 marks the discovery of a pulsar with a period of less than 2 seconds, and a width equal to 0.04 seconds.  OPTIONS:
- Yes
- It's impossible to say
- No
A: Yes

Jefferson Columbus Davis (March 2, 1828 – November 30, 1879) was a regular officer of the United States Army during the American Civil War, known for the similarity of his name to Confederate President Jefferson Davis and for his killing of a superior officer in 1862.
Jefferson Columbus Davis was distantly related to Confederate President Jefferson Davis OPTIONS:
- Yes
- It's impossible to say
- No
A:
It's impossible to say